55016560

素因数分解:

$2^4\times 5^1\times {\mathrm{687707}}^1$

素因数の和:687720

約数の個数: 20

約数和(自身を含む): 127913688

約数和(自身を除く): 72897128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 687707, 1375414, 2750828, 3438535, 5501656, 6877070, 11003312, 13754140, 27508280, 55016560]

約数ペア:

[(1, 55016560), (2, 27508280), (4, 13754140), (5, 11003312), (8, 6877070), (10, 5501656), (16, 3438535), (20, 2750828), (40, 1375414), (80, 687707)]